#!/usr/bin/env python
# -*- coding: utf-8 -*-

import re
from time import time

from module.Plugin import Plugin
import hashlib

class RapidshareCom(Plugin):

    def __init__(self, parent):
        Plugin.__init__(self, parent)
        props = {}
        props['name'] = "RapidshareCom"
        props['type'] = "hoster"
        props['pattern'] = r"http://[\w\.]*?rapidshare.com/files/(\d*?)/(.*)"
        props['version'] = "1.0"
        props['description'] = """Rapidshare.com Download Plugin"""
        props['author_name'] = ("spoob", "RaNaN", "mkaay")
        props['author_mail'] = ("spoob@pyload.org", "ranan@pyload.org", "mkaay@mkaay.de")
        self.props = props
        self.parent = parent
        self.html = [None, None]
        self.time_plus_wait = None   #time() + wait in seconds
        self.want_reconnect = False
        self.no_slots = True
        self.api_data = None
        self.url = self.parent.url
        self.read_config()
        if self.config['premium']:
            self.multi_dl = True
            self.req.canContinue = True
        else:
            self.multi_dl = False

        self.start_dl = False

    def prepare(self, thread):
        pyfile = self.parent
        self.req.clear_cookies()
        self.no_slots = True
        self.want_reconnect = False

        self.download_api_data()
        if self.api_data["status"] == "1":
            pyfile.status.filename = self.get_file_name()

            if self.config["premium"]:
                self.logger.info(_("Rapidshare: Use Premium Account (%sGB left)") % (self.props["premkbleft"]/1000000))
                pyfile.status.url = self.parent.url
                return True

            self.download_html()
            while self.no_slots:
                self.get_wait_time()
                pyfile.status.waituntil = self.time_plus_wait
                pyfile.status.want_reconnect = self.want_reconnect
                thread.wait(pyfile)

            pyfile.status.url = self.get_file_url()

            return True
        elif self.api_data["status"] == "2":
            self.logger.info(_("Rapidshare: Traffic Share (direct download)"))
            pyfile.status.filename = self.get_file_name()
            pyfile.status.url = self.parent.url
            return True
        else:
            return False
            
    def download_api_data(self):
        """
        http://images.rapidshare.com/apidoc.txt
        """
        api_url_base = "http://api.rapidshare.com/cgi-bin/rsapi.cgi"
        api_param_file = {"sub": "checkfiles_v1", "files": "", "filenames": "", "incmd5": "1"}
        m = re.compile(self.props['pattern']).search(self.url)
        if m:
            api_param_file["files"] = m.group(1)
            api_param_file["filenames"] = m.group(2)
            src = self.load(api_url_base, cookies=False, get=api_param_file)
            if src.startswith("ERROR"):
                return
            fields = src.split(",")
            self.api_data = {}
            self.api_data["fileid"] = fields[0]
            self.api_data["filename"] = fields[1]
            self.api_data["size"] = fields[2] # in bytes
            self.api_data["serverid"] = fields[3]
            self.api_data["status"] = fields[4]
            """
            status codes:
                0=File not found
                1=File OK (Downloading possible without any logging)
                2=File OK (TrafficShare direct download without any logging)
                3=Server down
                4=File marked as illegal
                5=Anonymous file locked, because it has more than 10 downloads already
                6=File OK (TrafficShare direct download with enabled logging)
            """
            self.api_data["shorthost"] = fields[5]
            self.api_data["checksum"] = fields[6].strip().lower() # md5
            
            self.api_data["mirror"] = "http://rs%(serverid)s%(shorthost)s.rapidshare.com/files/%(fileid)s/%(filename)s" % self.api_data

        if self.config["premium"]:
            api_param_prem = {"sub": "getaccountdetails_v1", "type": "prem", \
                "login": self.config['username'], "password": self.config['password']}
            src = self.load(api_url_base, cookies=False, get=api_param_prem)
            if src.startswith("ERROR"):
                self.config["premium"] = False
                self.logger.info("Rapidshare: Login failed")
                return
            fields = src.split("\n")
            premkbleft = int(fields[18].split("=")[1])
            if premkbleft < int(self.api_data["size"][0:-3]):
                self.logger.info(_("Rapidshare: Not enough traffic left"))
                #self.config["premium"] = False
                self.props["premkbleft"] = 0
            else:
                self.props["premkbleft"] = premkbleft

    def download_html(self):
        """ gets the url from self.parent.url saves html in self.html and parses
        """
        self.html[0] = self.load(self.url, cookies=True)
        
    def get_wait_time(self):
        """downloads html with the important informations
        """
        file_server_url = re.search(r"<form action=\"(.*?)\"", self.html[0]).group(1)
        self.html[1] = self.load(file_server_url, cookies=True, post={"dl.start": "Free"})
        
        if re.search(r"is already downloading", self.html[1]):
            self.logger.info(_("Rapidshare: Already downloading, wait 30 minutes"))
            self.time_plus_wait = time() + 10 * 30
            return
        self.no_slots = False
        try:
            wait_minutes = re.search(r"Or try again in about (\d+) minute", self.html[1]).group(1)
            self.time_plus_wait = time() + 60 * int(wait_minutes) + 60
            self.no_slots = True
            self.want_reconnect = True
        except:
            if re.search(r"(Currently a lot of users|no more download slots|servers are overloaded)", self.html[1], re.I) != None:
                self.time_plus_wait = time() + 130
                self.logger.info(_("Rapidshare: No free slots!"))
                self.no_slots = True
                return True
            self.no_slots = False
            wait_seconds = re.search(r"var c=(.*);.*", self.html[1]).group(1)
            self.time_plus_wait = time() + int(wait_seconds) + 5

    def get_file_url(self):
        """ returns the absolute downloadable filepath
        """
        if self.config['server'] == "":
            file_url_pattern = r".*name=\"dlf\" action=\"(.*)\" method=.*"
        else:
            file_url_pattern = '(http://rs.*)\';" /> %s<br />' % self.config['server']

        return re.search(file_url_pattern, self.html[1]).group(1)

    def get_file_name(self):
        if self.api_data["filename"]:
            return self.api_data["filename"]
        elif self.html[0]:
            file_name_pattern = r"<p class=\"downloadlink\">.+/(.+) <font"
            file_name_search = re.search(file_name_pattern, self.html[0])
            if file_name_search:
                return file_name_search.group(1)
        return self.url.split("/")[-1]

    def proceed(self, url, location):
        if self.config['premium']:
            self.req.add_auth(self.config['username'], self.config['password'])
        self.download(url, location)

    def check_file(self, local_file):
        if self.api_data and self.api_data["checksum"]:
            h = hashlib.md5()
            f = open(local_file, "rb")
            while True:
                data = f.read(128)
                if not data:
                    break
                h.update(data)
            f.close()
            hexd = h.hexdigest()
            if hexd == self.api_data["checksum"]:
                return (True, 0)
            else:
                return (False, 1)
        else:
            return (True, 5)